Knife



FIG. 1 is a perspective view, showing the front, right side, and bottom, of a knife in accordance with the present design;

FIG. 2 is a perspective view, showing the rear, left side, and top thereof;

FIG. 3 is front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a left side view thereof. 

CLAIM The ornamental design for a knife, as shown and described. 